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    • Therminol® D-12: trusted heat transfer fluid for industrial applications

    Designed for both heating and cooling, Therminol® D-12 performs exceptionally well, even at a wide range of temperatures, down to -94°C to 190 °C without overpressure and up to 230 °C with pressurization.

    Ideal for batch processes and refrigeration loops, Therminol® D-12 ensures optimal performance without the need for steam or electrical tracing, eliminating common start-up issues. Therminol® D-12 enhances system reliability and reduces downtime.

    Temperature range

    -94° to 230°C

    Recommended bulk temp °C

    230

    Max. film temp °C

    245

    Boiling point °C @ 1013 mbar

    192

    Pumpability °C @ 300 mm²/s (cSt)

    -82

    Pour Point °C

    <-100

    Flash Point °C (ASTM D93)

    62

    Autoignition Temp °C (DIN 51794)

    277

    Density @ 20°C (kg/m³)

    762

    Kinematic viscosity @ 40°C (mm²/s)

    1,23

    Water Class

    WGK 1

    Approval

    NSF HT1

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    Your benefits from using Therminol® D-12 in your thermal oil systems

    • Heating or cooling operation – Therminol® D-12 is ideally suited for combination heating and cooling applications and delivers excellent heat transfer rates even at -45°C. Batch processes will benefit from the excellent cooling performance Therminol® D-12 delivers. Therminol® D-12 can also  be used as a secondary coolant or "brine" in refrigeration loops where a broad range of properties is desired.

    • Easy operation – using Therminol® D-12 avoids the problems of using multiple fluids in the same piece of equipment.

    • Low cost – Therminol® D-12 delivers better thermal performance at lower cost than many competing fluids.  

    • Low odor and excellent toxicity profile – Therminol® D-12 is NSF registered with HT1 status, surpassing requirements for use where there is the possibility of incidental food contact.

    Discover a wide range of the most common applications for Therminol® D-12:

    • HTF - active pharmaceutical ingredients
    • Pharmaceutical processing
    • Environmental test chambers 
    • Specialty and batch chemical manufacturing
    • Food & beverage processing